Siemens SINAMICS S120 Manual page 748

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Cabinet design and EMC Booksize

12.11 Notes on electrical cabinet cooling

Damage caused by overheating resulting from covered ventilation slots

Covered ventilation slots can cause the system to overheat.

• Route the connected signal and power cables to the components in such a way that

The distance between the discharge opening of the air condition equipment and the

electronic equipment must be at least 200 mm.

If the components are mounted in a sealed cabinet, an internal air cooling system must be

installed to circulate the air and prevent hot spots. It is best to mount the fan above the

components to optimize the air flow (suction).

Figure 12-43 Examples of cabinet ventilation

they do not cover the ventilation slots.

Cooling unit

Control cabinet

Booksize Power Units

Manual, (GH2), 07/2016, 6SL3097-4AC00-0BP8

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